<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<script>
			window.onload=function(){
				var divl=document.getElementById('divl');
				alert(css(divl,'width'));
				css(divl,'background','green');
			};
			function 
		</script>
	</body>
</html>
